ATSC 113 FLYING EXAM QUESTIONS AND ANSWERS

ATSC 113 FLYING EXAM QUESTIONS AND ANSWERS billow (k-h wave) - Answer-- type of special cloud caused by wind shear (change of wind speed or direction with height) in the atmosphere which causes waves to form in a layer of air where cooler air underlies warmer air - indicate wind shear and CAT - short and thin - look like an accordian - can break and cause cat eye swirls - can be high or mid - do not need mountains to form - cirrocumulus undulatus = high billow - altocumulus undulatus = mid billow what special clouds are associated with strong winds across mountains - Answer-lenticular, rotor, banner what special clouds are associated with unstable air loft - Answer-castellanus, billow (k-h wave) describe lenticular clouds characteristics - Answer-- type of special cloud associated with strong winds across mountains - look like UFOs or dinner plates stacked - form in the crests of mountain waves if the air is humid - pilots would experience updrafts and downdrafts in these types of clouds - aka mountain wave cloud, lee-wave cloud what is a cap cloud - Answer-a lenticular cloud that is the first one in the sequence which is on top of the mountain and looks like a hat (cap) describe rotor cloud characteristics - Answer-- type of special cloud associated with strong winds across mountains - violent turbulence which can damage/break aircraft - ragged and usually under the crests of mountain waves - they rotate - usually under lenticular clouds (I think?) if you do not see any lenticular or rotor clouds by a mountain, is it safe to fly? - Answer-no, there can still be dangerous waves and rotors describe banner cloud characteristics - Answer-- a type of special cloud associated with strong winds across mountains - form on the downside of mountain peaks - indicate strong turbulence